Carefully crafted with the highest quality fragrance oils, NEST Reed Diffusers are designed to fill your home continuously with a lush, memorable fragrance. The formula releases fragrance slowly and evenly into the air for approximately 90 days. The formula is VOC/CARB compliant. Notes: Hydrangea, Hyacinth, Forget-Me-Nots, Fresh Green Accord. Style: Dewy. Fresh. Crisp.